Skip to content
For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.
Primary navigation

Suggested
Overview Models Agents Tools Voice & Audio Production API reference
API Dashboard
Try ChatGPT
API Reference
Audio

Speech

Turn audio into text or text into audio.

Create speech
$ openai audio:speech create
POST/audio/speech
ModelsExpand Collapse
speech_model: "tts-1" or "tts-1-hd" or "gpt-4o-mini-tts" or "gpt-4o-mini-tts-2025-12-15"